30288868 has 24 divisors (see below), whose sum is σ = 54899712. Its totient is φ = 14612544.

The previous prime is 30288851. The next prime is 30288871. The reversal of 30288868 is 86888203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12621 + ... + 14827.

It is an arithmetic number, because the mean of its divisors is an integer number (2287488).

Almost surely, 2^30288868 is an apocalyptic number.

It is an amenable number.

30288868 is a deficient number, since it is larger than the sum of its proper divisors (24610844).

30288868 is a wasteful number, since it uses less digits than its factorization.

30288868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331 (or 2329 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 30288868 is about 5503.5323202467. The cubic root of 30288868 is about 311.7173777506.

The spelling of 30288868 in words is "thirty million, two hundred eighty-eight thousand, eight hundred sixty-eight".